/* ===========================
   样式重置
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
}

html, body {
    overflow-x: hidden;
    max-width: 100%;
    background-color: var(--bg-primary);
    color: var(--text-color-darker);
}

img {
    width: 100%;
}

/* ===========================
   颜色变量 — 量子深空主题
   =========================== */
:root {
    --primary-color: #00d4ff;
    --primary-color-rgb: 0, 212, 255;
    --secondary-color: #1a2340;
    --accent-purple: #a855f7;
    --accent-green: #00ff88;
    --bg-primary: #080c18;
    --bg-secondary: #0d1225;
    --bg-card: rgba(13, 18, 37, 0.88);
    --bg-card-hover: rgba(18, 26, 52, 0.95);
    --glass-bg: rgba(10, 15, 30, 0.72);
    --glass-border: rgba(0, 212, 255, 0.12);
    --text-color-lightest: #e0e6f0;
    --text-color-darker: #e8ecf1;
    --text-color-dark: #c0c8d8;
    --text-color-gray: #8892a8;
    --text-color-dark-gray: #6b7a94;
    --text-color-light-gray: #4a5670;
    --backdrop-color: rgba(6, 8, 18, 0.78);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0088ff 50%, #a855f7 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(168, 85, 247, 0.06));
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.25), 0 0 60px rgba(0, 212, 255, 0.08);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.25), 0 0 60px rgba(168, 85, 247, 0.08);
}

/* ===========================
   头部导航
   =========================== */
header {
    width: 100%;
    height: 110px;
    display: grid;
    padding: 0 40px;
    grid-template-columns: 220px 1fr;
    align-items: center;
    position: relative;
    z-index: 200;
    transition: background 0.4s, box-shadow 0.4s;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.hx-logo {
    height: 65px;
    width: auto;
    object-fit: contain;
}

header nav {
    justify-self: end;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 4px;
}

header nav i {
    color: var(--text-color-lightest);
}

header nav a {
    color: var(--text-color-lightest);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 16px;
    transition: background 0.2s;
    white-space: nowrap;
}

header nav a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
}

header .burger {
    display: none;
}

header.sticky {
    top: 0;
    position: fixed;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    box-shadow: 0 1px 0 var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: dropDown 0.5s ease-in-out forwards;
}

header.sticky .logo,
header.sticky nav a,
header.sticky nav i {
    color: var(--text-color-lightest);
}

header.sticky nav a:hover {
    background: rgba(0, 212, 255, 0.1);
}

@keyframes dropDown {
    from { transform: translateY(-100px); }
    to   { transform: translateY(0); }
}

/* ===========================
   轮播图
   =========================== */
.glide {
    position: relative;
    top: -120px;
    z-index: 50;
}

.glide__slide img,
.glide__slide video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    z-index: 70;
    color: var(--text-color-lightest);
    text-align: center;
    max-width: 60vw;
}

.glide__slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-caption h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
}

.slide-caption h3 {
    font-size: 22px;
    margin: 40px 0;
    line-height: 1.7;
    font-weight: 400;
}

.slide-caption > * {
    opacity: 0;
}

.backdrop {
    background: var(--backdrop-color);
    z-index: 60;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0.5;
}

.explore-btn {
    padding: 14px 36px;
    background-color: var(--primary-color);
    border: 0;
    border-radius: 4px;
    color: var(--text-color-lightest);
    font-size: 18px;
    cursor: pointer;
    outline: none;
    transition: opacity 0.2s;
}

.explore-btn:hover {
    opacity: 0.85;
}

/* ===========================
   内容区域通用
   =========================== */
.content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

section {
    display: grid;
    justify-items: center;
    max-width: 1180px;
    width: 100%;
    padding: 0 80px;
    scroll-margin-top: 115px;
}

.section-bg {
    position: relative;
}

.section-bg::before {
    content: "";
    display: block;
    position: absolute;
    background-color: var(--bg-secondary);
    width: 100%;
    height: 100%;
    z-index: -1;
}

.title1 {
    font-size: 34px;
    color: var(--text-color-lightest);
    margin-top: 72px;
    font-family: 'Orbitron', 'PingFang SC', 'Microsoft Yahei', sans-serif;
    letter-spacing: 1.5px;
}

.title1::after {
    content: "";
    display: block;
    width: 80%;
    height: 3px;
    background: var(--gradient-primary);
    margin-top: 14px;
    transform: translateX(10%);
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

.intro {
    margin: 20px 0 52px 0;
    font-size: 18px;
    color: var(--text-color-dark-gray);
    text-align: center;
    line-height: 1.8;
}

.intro i {
    color: var(--primary-color);
    vertical-align: -2px;
    font-weight: 600;
    font-style: normal;
}

/* ===========================
   核心产品卡片
   =========================== */
.core-products-section {
    padding-bottom: 80px;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    margin-top: 8px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px 20px 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), transparent 50%, rgba(168, 85, 247, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.product-card:hover {
    box-shadow: var(--glow-cyan);
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.3);
    background: var(--bg-card-hover);
}

.product-card:hover::after {
    opacity: 1;
}

.product-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.25);
}

.product-icon i {
    font-size: 20px;
    color: white;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color-lightest);
    margin-bottom: 4px;
    font-family: 'Orbitron', 'PingFang SC', sans-serif;
}

.product-subtitle {
    font-size: 13px;
    color: var(--text-color-gray);
    margin-bottom: 12px;
    font-weight: 500;
}

.product-features {
    list-style: none;
    margin: 0 0 12px 0;
    padding: 0;
    flex-grow: 1;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-color-dark);
    line-height: 1.5;
}

.product-features li i {
    color: #10b981;
    font-size: 13px;
    margin-top: 2px;
    flex-shrink: 0;
}

.product-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.product-tags .tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    border-radius: 12px;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.2s;
}

.product-link:hover {
    gap: 10px;
}

.product-link i {
    font-size: 12px;
}

/* ===========================
   解决方案（features）
   =========================== */
.solution-link {
    grid-area: link;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.2s;
    margin-top: 12px;
}

.solution-link:hover {
    gap: 10px;
}

.solution-link i {
    font-size: 12px;
}
.about-us {
    padding-bottom: 60px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    column-gap: 5vw;
    row-gap: 32px;
    width: 100%;
}

.feature {
    display: grid;
    grid-template-areas: 
        "icon title"
        "icon content"
        "icon link";
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 16px 0;
}

.feature i.fas,
.feature i.fab {
    grid-area: icon;
    font-size: 32px;
    color: var(--primary-color);
    margin-top: 4px;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
}

.feature-title {
    grid-area: title;
    font-size: 17px;
    color: var(--text-color-lightest);
    margin-bottom: 8px;
    font-weight: 600;
}

.feature-content {
    grid-area: content;
    color: var(--text-color-gray);
    line-height: 1.7;
    font-size: 14px;
}

/* ===========================
   合作伙伴 Logo 网格
   =========================== */
.partners-section {
    max-width: unset;
    width: 100%;
    padding: 0;
    padding-bottom: 60px;
}

.partners-section .title1,
.partners-section .intro {
    /* 居中展示在 section 内 */
}

/* filter 按钮行 */
.filter-btns {
    margin-top: 40px;
    margin-bottom: 28px;
    padding: 0 40px;
}

.filter-btn {
    margin: 4px 6px;
    background-color: var(--secondary-color);
    border: 1px solid var(--glass-border);
    color: var(--text-color-gray);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: 0.3s;
}

.filter-btn:focus,
.filter-btns:active {
    outline: none;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Logo 网格容器：CSS flexbox 自动居中 */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;   /* 每行 logo 自动居中 */
    gap: 14px;
    width: 100%;
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 40px 8px;
}

/* 单个 partner logo 卡片 */
.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 158px;
    height: 92px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 10px 14px;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
    cursor: default;
    flex-shrink: 0;
}

/* 隐藏（筛选用） */
.partner-item.hidden {
    display: none;
}

.partner-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0.85) grayscale(0.3);
    transition: filter 0.3s;
}

.partner-item:hover {
    box-shadow: 0 6px 24px rgba(0, 212, 255, 0.12);
    transform: translateY(-3px);
    border-color: rgba(0, 212, 255, 0.25);
}

.partner-item:hover img {
    filter: brightness(1) grayscale(0);
}

/* ===========================
   产品服务
   =========================== */
.service {
    padding-top: 80px;
    padding-bottom: 60px;
}

.services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    column-gap: 28px;
    row-gap: 24px;
    width: 100%;
}

.service-item {
    display: grid;
    grid-template-areas: 
        "icon title"
        "icon content";
    grid-template-columns: 64px 1fr;
    grid-template-rows: auto 1fr;
    padding: 24px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    transition: all 0.35s;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.35s;
}

.service-item:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
}

.service-item:hover::before {
    opacity: 1;
}

.service-item i.fas {
    grid-area: icon;
    font-size: 32px;
    color: var(--primary-color);
    padding-top: 4px;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.3));
}

.service-item .service-title {
    grid-area: title;
    color: var(--text-color-lightest);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.service-item .service-content {
    grid-area: content;
    color: var(--text-color-gray);
    line-height: 1.8;
    font-size: 15px;
}

/* ===========================
   联系我们
   =========================== */
.contact-section {
    padding-top: 80px;
    padding-bottom: 60px;
    width: 100%;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 800px;
    margin: 8px auto 0;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 40px 28px 36px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
    transition: all 0.35s;
}

.contact-info-card:hover {
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.3);
}

.contact-info-card i {
    font-size: 38px;
    color: var(--primary-color);
    margin-bottom: 18px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

.contact-label {
    font-size: 14px;
    color: var(--text-color-dark-gray);
    margin-bottom: 10px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.contact-value {
    font-size: 16px;
    color: var(--text-color-darker);
    font-weight: 500;
    line-height: 1.8;
}

.contact-value a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-value a:hover {
    text-decoration: underline;
}

.contact-value small {
    font-size: 13px;
    color: var(--text-color-gray);
    font-weight: 400;
}

/* ===========================
   数据展示
   =========================== */
.data-section {
    max-width: 100%;
    width: 100%;
    height: 255px;
    /* 深色科技渐变背景替代已删除的图片 */
    background-image: linear-gradient(135deg, #0d1526 0%, #1a3054 45%, #0d1526 100%);
    background-size: cover;
    background-position: center;

    display: grid;
    grid-template-columns: repeat(4, minmax(auto, 220px));
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 20;
}

.data-section::before {
    content: "";
    display: block;
    position: absolute;
    background-color: rgba(10, 20, 40, 0.55);
    width: 100%;
    height: 100%;
    z-index: 1;
}

.data-piece {
    width: 250px;
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    justify-items: center;
    color: white;
    position: relative;
    z-index: 40;
}

.data-piece i.fas {
    font-size: 44px;
}

.data-piece .num {
    margin-top: 7px;
    font-size: 36px;
    font-weight: 600;
}

.data-piece .data-desc {
    font-size: 18px;
    font-weight: 400;
    opacity: 0.9;
}

/* ===========================
   关于我们（卡片布局）
   =========================== */
.about-company {
    padding-top: 72px;
    padding-bottom: 72px;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    width: 100%;
    margin-top: 8px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 40px 36px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.35s;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.about-card:hover {
    box-shadow: var(--glow-cyan);
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
}

.about-card > i {
    font-size: 38px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
}

.about-card h3 {
    font-size: 22px;
    color: var(--text-color-lightest);
    margin-bottom: 16px;
    font-weight: 600;
}

.about-card p {
    color: var(--text-color-gray);
    line-height: 1.9;
    font-size: 15px;
    margin-bottom: 24px;
}

.card-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    padding: 6px 16px;
    transition: all 0.25s;
}

.card-link:hover {
    background: var(--primary-color);
    color: white;
}

/* ===========================
   Footer
   =========================== */
footer {
    margin-top: 0;
    background-color: #050810;
    display: grid;
    justify-items: center;
    padding-top: 72px;
    padding-bottom: 24px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
  }

  footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
  }
  
  .footer-menus {
    width: 100%;
    max-width: 1180px;
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    padding: 0 80px;
    position: relative;
  }
  
  .footer-menu {
    justify-self: end;
  }
  
  .menu-title {
    font-size: 18px;
    color: white;
    font-weight: 600;
    margin-bottom: 20px;
  }
  
  .contact-us {
    justify-self: start;
    color: var(--text-color-lightest);
  }
  
  .contact-us p:not(:first-child) {
    padding-bottom: 12px;
    font-size: 14px;
    color: var(--text-color-light-gray);
  }
  
  .menu-items li {
    list-style: none;
    padding-bottom: 8px;
  }

  .menu-items li a {
    text-decoration: none;
    font-weight: 300;
    font-size: 14px;
    color: var(--text-color-light-gray);
    transition: color 0.2s;
  }
  
.menu-items li a:hover {
    color: white;
}

  .icp-info {
    margin-top: 40px;
    margin-bottom: 10px;
  }
  
  .icp-info,
  .rights {
    grid-column: 1 / -1;
    justify-self: center;
    color: var(--text-color-light-gray);
    font-size: 13px;
  }

/* ===========================
   返回顶部
   =========================== */
.scrollToTop {
    display: none;
}

.scrollToTop a {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    position: fixed;
    bottom: 60px;
    right: 30px;
    z-index: 300;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.35);
    transition: all 0.25s;
}

.scrollToTop a:hover {
    opacity: 0.85;
}

/* ===========================
   响应式 — ≤1100px
   =========================== */
@media (max-width: 1100px) {
    header nav {
      display: none;
    }
  
    header {
      grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
    }
  
    header .burger {
      display: block;
        justify-self: end;
      cursor: pointer;
      position: relative;
        width: 24px;
      height: 6px;
    }
  
    .burger-line1,
    .burger-line2,
    .burger-line3 {
        width: 24px;
      height: 2px;
      background-color: var(--text-color-lightest);
    }

    .burger-line1 { position: absolute; top: -6px; }
    .burger-line3 { position: absolute; top: 6px; }

    header.open .burger-line1,
    header.open .burger-line2,
    header.open .burger-line3,
    header.sticky .burger-line1,
    header.sticky .burger-line2,
    header.sticky .burger-line3 {
      background-color: var(--text-color-darker);
      transition: 0.4s ease;
    }
  
    header.open .burger-line1 { transform: rotate(45deg) translate(3px, 5px); }
    header.open .burger-line2 { transform: translateX(5px); opacity: 0; }
    header.open .burger-line3 { transform: rotate(-45deg) translate(3px, -5px); }

    header.open .logo {
      color: var(--text-color-darker);
      z-index: 40;
    }
  
    header.open nav {
      display: grid;
      grid-auto-rows: max-content;
      justify-self: end;
      justify-items: end;
      position: absolute;
      top: 0;
      left: 0;
      background: var(--bg-primary);
        width: 100%;
      height: 100vh;
      padding: 0 40px;
      opacity: 0;
      animation: slideDown 0.6s ease-out forwards;
        z-index: 30;
    }

    header.open nav > * {
        margin: 6px 0;
      font-size: 18px;
      color: var(--text-color-lightest);
      opacity: 0;
      animation: showMenu 0.5s linear forwards 0.4s;
    }
  
    @keyframes slideDown {
        from { height: 0; opacity: 0; }
        to   { height: 100vh; padding-top: 80px; opacity: 1; }
    }
  
    @keyframes showMenu {
        from { opacity: 0; transform: translateY(-1vh); }
        to   { opacity: 1; }
    }

    .service-item .service-title { font-size: 18px; }
    .service-item .service-content { font-size: 14px; line-height: 1.7; }
  
    /* 关于卡片改为1列 */
    .about-cards { grid-template-columns: 1fr; }

    /* 合作伙伴 logo 稍微缩小 */
    .partner-item { width: 140px; height: 80px; }
    .partners-grid { gap: 10px; }
  }
  
/* ===========================
   响应式 — ≤992px
   =========================== */
  @media (max-width: 992px) {
    .slide-caption h1 { font-size: 38px; }
    .slide-caption h3 { font-size: 17px; }

    /* 产品卡片改为两列 */
    .product-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
  
    /* features 改为两列 */
    .features,
    .services {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: unset;
    }

    /* 数据区改为2列 */
    .data-section {
        grid-template-columns: repeat(2, minmax(180px, auto));
      row-gap: 24px;
      height: auto;
        padding: 32px 0;
    }

    /* 联系卡片改为1列 */
    .contact-info-cards { grid-template-columns: 1fr; }
    
    /* 产品特点改为2列 */
    .specs-grid { grid-template-columns: repeat(2, 1fr); }

    /* logo 继续缩 */
    .partner-item { width: 130px; height: 74px; }
    .partners-grid { gap: 8px; padding: 0 24px 8px; }

    /* 产品详情页 */
    .product-detail-banner { height: 250px; }
    .banner-content h1 { font-size: 32px; }
    .banner-content p { font-size: 16px; }
    .product-detail-layout { grid-template-columns: 1fr; gap: 24px; }
    /* 移动端隐藏侧边栏 */
    .product-sidebar { 
        display: none;
    }
    .features-grid { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: 1fr; }
    .applications-list { grid-template-columns: 1fr; }
    .product-diagrams { grid-template-columns: 1fr; }
    
    /* 解决方案详情页移动端优化 */
    .product-detail-container { 
        padding: 16px 0 0 0;  /* 移除左右内边距，让图片容器可以撑满 */
        max-width: 100%;
        overflow-x: hidden;
    }
    .breadcrumb { 
        font-size: 12px; 
        margin-bottom: 16px;
        overflow-x: auto;
        white-space: nowrap;
        padding: 0 16px;  /* 面包屑保留边距 */
    }
    .product-card-detail { 
        padding: 0;
        margin: 0;
    }
    .product-detail-header { 
        padding: 20px 16px;  /* 标题区域保留边距 */
    }
    .product-detail-header h2 { 
        font-size: 22px;
        line-height: 1.4;
    }
    .product-subtitle { 
        font-size: 14px;
        line-height: 1.6;
    }
    /* 图片区域撑满容器，但保持自适应 */
    .solution-details {
        margin: 0;
        padding: 0;
        width: 100%;
    }
    .solution-image-gallery {
        margin: 0;
        padding: 0;
        gap: 0;
        width: 100%;
    }
    .solution-image-full {
        width: 100%;  /* 撑满父容器 */
        margin: 0;
        overflow: hidden;
    }
    .solution-image-full img { 
        width: 100%;
        height: auto;
        display: block;
    }
    .solution-content-images {
        width: 100%;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }
    .solution-content-images img {
        width: 100%;
        height: auto;
        display: block;
        margin: 0;
    }
    /* 按钮区域保留边距 */
    .product-cta {
        padding: 20px 16px;
    }
  }
  
/* ===========================
   响应式 — ≤768px
   =========================== */
  @media (max-width: 768px) {
    section,
    .footer-menus {
        padding: 0 24px;
    }
  
    /* ===== 移动端 solution-tabs 折叠下拉样式 ===== */
    .solution-tabs {
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 0;
        padding: 0;
        margin: 0 16px 24px;
        background: var(--bg-card);
        border-radius: 12px;
        border: 1.5px solid var(--glass-border);
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        position: relative;
    }

    /* 默认只显示激活项，其余隐藏 */
    .solution-tab {
        display: none;
        padding: 14px 48px 14px 16px;
        border-radius: 0;
        border-bottom: 1px solid #f0f0f0;
        font-size: 14px;
        white-space: normal;
        flex-shrink: unset;
        width: 100%;
        box-sizing: border-box;
        order: 1;
        transition: background 0.2s;
    }

    .solution-tab:last-of-type {
        border-bottom: none;
    }

    /* 激活项始终在最上方展示 */
    .solution-tab.active {
        display: flex;
        align-items: center;
        order: 0;
        border-radius: 10px;
        background: var(--gradient-primary) !important;
        color: white !important;
        border-color: transparent;
        border-bottom: none;
        box-shadow: none;
    }

    /* 展开后：激活项圆角变为上半部分 */
    .solution-tabs.expanded .solution-tab.active {
        border-radius: 10px 10px 0 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.25) !important;
    }

    /* 展开后：显示所有项 */
    .solution-tabs.expanded .solution-tab {
        display: flex;
        align-items: center;
    }

    /* 展开后最后一项无下边框 */
    .solution-tabs.expanded .solution-tab:last-of-type {
        border-bottom: none;
    }

    /* JS 注入的折叠切换按钮 */
    .solution-tabs-toggle-btn {
        position: absolute;
        top: 0;
        right: 0;
        width: 48px;
        height: 48px;
        background: transparent;
        border: none;
        color: white;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2;
        padding: 0;
    }

    .solution-tabs-toggle-btn i {
        font-size: 12px;
        transition: transform 0.3s ease;
    }

    .solution-tabs.expanded .solution-tabs-toggle-btn i {
        transform: rotate(180deg);
    }
  
    /* 产品卡片改为单列 */
    .product-cards {
      grid-template-columns: 1fr;
        gap: 16px;
    }

    .features {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .services {
      grid-template-columns: 1fr;
    }
  
    .data-section {
        grid-template-columns: repeat(2, 1fr);
        background-size: 200%;
    }
  
    .about-cards { grid-template-columns: 1fr; }

    .footer-menus {
      grid-template-columns: 2fr repeat(2, 1fr);
      row-gap: 24px;
    }
  
    .contact-us { grid-row: 1 / 3; }
    .footer-menu { text-align: right; }

    .partner-item { width: 120px; height: 68px; }
    .partners-grid { gap: 8px; padding: 0 16px 8px; }
    .filter-btns { padding: 0 20px; }

    /* 产品详情页 */
    .product-detail-container { 
        padding: 16px 0 60px 0;  /* 移除左右边距 */
        overflow-x: hidden;
    }
    .breadcrumb {
        padding: 0 16px;  /* 面包屑保留边距 */
    }
    .product-detail-header {
        padding: 0 16px;  /* 标题保留边距 */
    }
    .product-overview {
        padding: 0 16px;  /* 产品概述保留边距 */
    }
    .product-cta { 
        flex-direction: column;
        gap: 12px;
        padding: 20px 16px;  /* 按钮区域保留边距 */
    }
    .cta-button {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    /* 解决方案图片撑满容器 */
    .solution-details,
    .solution-image-gallery,
    .solution-content-images {
        margin: 0;
        padding: 0;
        width: 100%;
    }
    
    /* 进一步优化解决方案页面 */
    .product-detail-banner { height: 200px; }
    .banner-content h1 { font-size: 28px; }
    .banner-content p { font-size: 14px; }
    
    /* 移动端完全隐藏侧边栏 */
    .product-sidebar {
        display: none !important;
    }
    
    .product-detail-header h2 {
        font-size: 20px;
    }
    .product-subtitle {
        font-size: 13px;
    }
    .breadcrumb {
        font-size: 11px;
    }
    }
  
/* ===========================
   产品详情页样式
   =========================== */
.product-detail-banner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-top: -120px;
}

.product-detail-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.6) 0%, rgba(168, 85, 247, 0.5) 50%, rgba(8, 12, 24, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-content {
    text-align: center;
    color: white;
}

.banner-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: 'Orbitron', 'PingFang SC', sans-serif;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    }

.banner-content p {
    font-size: 22px;
    font-weight: 400;
    opacity: 0.95;
}

.product-detail-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 60px 80px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-color-gray);
    margin-bottom: 32px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 10px;
}

.breadcrumb span {
    color: var(--text-color-darker);
    font-weight: 500;
  }
  
/* 解决方案切换导航 */
.solution-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow-x: auto;
    flex-wrap: wrap;
    border: 1px solid var(--glass-border);
}

.solution-tab {
    padding: 10px 20px;
    background: var(--bg-card);
    color: var(--text-color-gray);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    border: 2px solid transparent;
}

.solution-tab:hover {
    background: rgba(0, 212, 255, 0.08);
    color: var(--text-color-lightest);
}

.solution-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

/* ===========================
   产品分组导航（两行式）
   =========================== */
.product-nav-group {
    margin-bottom: 32px;
}

.product-nav-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    border: 1px solid var(--glass-border);
}

.product-nav-row:last-child {
    margin-bottom: 0;
}

.product-nav-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-color-gray);
    letter-spacing: 0.5px;
    white-space: nowrap;
    padding: 6px 12px;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.product-nav-label.chip-label {
    color: var(--primary-color);
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.06);
}

.product-nav-label.terminal-label {
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.06);
}

.product-nav-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.product-nav-tab {
    padding: 8px 16px;
    background: var(--bg-card);
    color: var(--text-color-gray);
    text-decoration: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.25s ease;
    white-space: nowrap;
    border: 1px solid var(--glass-border);
}

.product-nav-tab:hover {
    background: rgba(0, 212, 255, 0.06);
    color: var(--text-color-lightest);
    border-color: rgba(0, 212, 255, 0.2);
}

.product-nav-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 3px 12px rgba(0, 212, 255, 0.3);
}

.product-nav-row.terminal-row .product-nav-tab.active {
    background: linear-gradient(135deg, #10b981, #0ea5e9);
    box-shadow: 0 3px 12px rgba(16, 185, 129, 0.3);
}

/* 产品导航分组 响应式 */
@media (max-width: 768px) {
    .product-nav-row {
        padding: 8px 10px;
        gap: 6px;
    }
    .product-nav-label {
        font-size: 11px;
        padding: 5px 10px;
    }
    .product-nav-tab {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    .product-nav-label {
        width: 100%;
        text-align: center;
        margin-bottom: 4px;
    }
    .product-nav-tabs {
        width: 100%;
        justify-content: center;
    }
}

/* 解决方案详情主内容区 */
.solution-detail-main {
    width: 100%;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 48px;
}

/* 侧边栏 */
.product-sidebar {
    position: sticky;
    top: 140px;
    height: fit-content;
}

.product-sidebar h3 {
    font-size: 18px;
    color: var(--text-color-darker);
    margin-bottom: 16px;
    font-weight: 600;
}

.product-nav {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
}

.product-nav li {
    margin-bottom: 8px;
}

.product-nav li a {
    display: block;
    padding: 10px 16px;
    color: var(--text-color-dark);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.product-nav li a:hover {
    background: rgba(0, 212, 255, 0.06);
    color: var(--primary-color);
}

.product-nav li.active a {
    background: var(--primary-color);
    color: white;
    font-weight: 500;
}

.sidebar-contact {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.sidebar-contact h4 {
    font-size: 16px;
    color: var(--text-color-darker);
    margin-bottom: 16px;
}

.sidebar-contact p {
    font-size: 13px;
    color: var(--text-color-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-contact i {
    color: var(--primary-color);
    font-size: 14px;
}

/* 产品详情内容 */
.product-detail-content {
    background: transparent;
    padding: 0;
}

.product-detail-content h2 {
      font-size: 28px;
    color: var(--text-color-lightest);
    margin-bottom: 20px;
    font-weight: 600;
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    }
  
.product-overview {
    margin-bottom: 48px;
}

.product-overview p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-color-dark);
}

.product-features-section {
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-specifications {
    margin-bottom: 48px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.spec-item {
    background: var(--bg-card);
    padding: 24px 20px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all 0.3s;
}

.spec-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow-cyan);
    border-color: rgba(0, 212, 255, 0.3);
}

.spec-item i {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: block;
}

.spec-item h4 {
    font-size: 16px;
    color: var(--text-color-darker);
    margin-bottom: 8px;
    font-weight: 600;
}

.spec-item p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-color-gray);
    margin: 0;
}

.feature-box {
    background: var(--bg-card);
    padding: 28px 24px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s;
}

.feature-box:hover {
    box-shadow: var(--glow-cyan);
    border-color: rgba(0, 212, 255, 0.3);
}

.feature-box i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 16px;
    display: block;
}

.feature-box h3 {
    font-size: 18px;
    color: var(--text-color-darker);
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-box p {
      font-size: 14px;
    line-height: 1.7;
    color: var(--text-color-gray);
    }
  
.product-applications {
    margin-bottom: 48px;
}

.product-diagrams {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.diagram-item {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.diagram-item h3 {
    font-size: 18px;
    color: var(--text-color-darker);
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.diagram-item img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
}

.applications-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.applications-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-color-dark);
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--glass-border);
}

.applications-list li i {
    color: #10b981;
    font-size: 16px;
    flex-shrink: 0;
}

.product-specs-section {
    margin-bottom: 48px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.7;
}

.specs-table th,
.specs-table td {
    padding: 14px 18px;
    border: 1px solid rgba(0, 212, 255, 0.08);
    text-align: left;
    vertical-align: top;
}

.specs-table th {
    background: rgba(0, 212, 255, 0.08);
    color: var(--primary-color);
    font-weight: 600;
    white-space: nowrap;
    width: 130px;
}

.specs-table tr:nth-child(even) td {
    background: rgba(0, 212, 255, 0.03);
}

.specs-table tr:hover td {
    background: rgba(0, 212, 255, 0.06);
}

.product-detail-image {
    margin-bottom: 48px;
}

.product-detail-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.product-cta {
    display: flex;
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
}

.cta-button:not(.secondary) {
    background: var(--primary-color);
    color: white;
}

.cta-button:not(.secondary):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 212, 255, 0.35);
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    color: white;
    box-shadow: var(--glow-cyan);
}

.cta-button-primary {
    background: var(--primary-color);
    color: white;
}

.cta-button-primary:hover {
    background: #0056b3;
}

/* ===========================
   解决方案详情页样式
   =========================== */
.solution-overview,
.solution-details,
.solution-features,
.solution-scenarios,
.solution-advantages {
    margin-bottom: 40px;
}

.solution-overview h3,
.solution-details h3,
.solution-features h3,
.solution-scenarios h3,
.solution-advantages h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.solution-overview p {
    line-height: 1.8;
    margin-bottom: 15px;
    color: #555;
}

.solution-image-gallery {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
}

.solution-image-full {
    width: 100%;
    margin: 0;
    padding: 0;
    line-height: 0;
}

.solution-image-full img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0;
    padding: 0;
}

.solution-content-images {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
}

.solution-content-images img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0;
    padding: 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.scenario-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
    transition: all 0.35s;
    text-align: center;
    border: 1px solid var(--glass-border);
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-cyan);
    border-color: rgba(0, 212, 255, 0.25);
}

.scenario-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.scenario-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color-lightest);
}

.scenario-card p {
      font-size: 14px;
    color: var(--text-color-gray);
    line-height: 1.6;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    transition: all 0.3s;
    border: 1px solid var(--glass-border);
}

.advantage-item:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 212, 255, 0.2);
}

.advantage-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    font-size: 28px;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.25);
}

.advantage-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-color-lightest);
}

.advantage-content p {
    font-size: 14px;
    color: var(--text-color-gray);
    line-height: 1.6;
}

/* ===========================
   响应式 — ≤576px
   =========================== */
@media (max-width: 576px) {
    .slide-caption h1 { font-size: 26px; }
    .slide-caption h3 { font-size: 13px; }
    .explore-btn { padding: 8px 18px; font-size: 14px; }

    .partner-item { width: calc(50vw - 28px); height: 60px; }
    .partners-grid { gap: 8px; padding: 0 12px 8px; }
  
    /* 产品详情页 */
    .product-detail-banner { height: 240px; margin-top: -110px; }
    .banner-content h1 { font-size: 32px; }
    .banner-content p { font-size: 16px; }

    .footer-menus { grid-template-columns: 1fr; }
    .footer-menu { justify-self: start; text-align: left; }

    .contact-info-cards { grid-template-columns: 1fr; }
    .about-cards { grid-template-columns: 1fr; }
    
    /* 解决方案在小屏幕改为单列 */
    .features {
      grid-template-columns: 1fr;
    }
}

/* ===========================
   新闻资讯模块
   =========================== */

/* 新闻列表页 */
.news-page {
    padding: 130px 0 60px;
    background: var(--bg-primary);
    min-height: 100vh;
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.news-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInDown 0.8s ease-out;
}

.news-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-color-lightest);
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Orbitron', 'PingFang SC', sans-serif;
}

.news-header p {
    font-size: 18px;
    color: var(--text-color-gray);
}

.news-list {
    display: grid;
    gap: 30px;
    margin-bottom: 40px;
}

.news-item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: fadeInUp 0.6s ease-out;
}

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--glow-cyan);
    border-color: rgba(0, 212, 255, 0.25);
}

.news-item-content {
    flex: 1;
}

.news-item-title {
    margin-bottom: 16px;
}

.news-item-title a {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color-lightest);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    line-height: 1.4;
}

.news-item-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color-dark);
    margin-bottom: 16px;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-color-gray);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    color: var(--primary-color);
}

.news-item-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.news-item-link:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.35);
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.loading i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.loading p {
    font-size: 16px;
    color: var(--text-color-gray);
    }
  
/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.empty-state i {
    font-size: 64px;
    color: var(--text-color-light-gray);
    margin-bottom: 20px;
}

.empty-state p {
    font-size: 18px;
    color: var(--text-color-gray);
}

/* 错误提示 */
.error-message {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.error-message i {
    font-size: 64px;
    color: #ff6b6b;
    margin-bottom: 20px;
}

.error-message h3 {
    font-size: 24px;
    color: var(--text-color-darker);
    margin-bottom: 12px;
}

.error-message p {
    font-size: 16px;
    color: var(--text-color-gray);
    margin-bottom: 24px;
}

.retry-btn,
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.retry-btn:hover,
.back-btn:hover {
    background: #0098cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.error-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.back-btn {
    background: var(--text-color-gray);
}

.back-btn:hover {
    background: var(--text-color-dark-gray);
}

/* 分页 */
.pagination {
    margin-top: 40px;
}

.pagination-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--bg-card);
    color: var(--primary-color);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.25);
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    color: var(--text-color-dark);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-num:hover {
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.page-num.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.page-ellipsis {
    color: var(--text-color-gray);
    padding: 0 4px;
}

/* 新闻详情页 */
.news-detail-page {
    padding: 130px 0 60px;
    background: var(--bg-primary);
    min-height: 100vh;
}

.news-detail-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-color-gray);
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .separator {
    color: var(--text-color-light-gray);
}

.breadcrumb .current {
    color: var(--text-color-darker);
    font-weight: 500;
}

.news-article {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 48px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.6s ease-out;
}

/* 文章封面图 */
.article-cover {
    margin: -48px -48px 36px;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
    max-height: 420px;
}
.article-cover img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    display: block;
}

.article-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color-lightest);
    line-height: 1.4;
    margin-bottom: 24px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 14px;
    color: var(--text-color-gray);
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color-dark);
    /* 长单词/链接自动换行，不截断文字 */
    word-break: break-word;
    overflow-wrap: break-word;
    /* 防止内容溢出 */
    overflow-x: hidden;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--text-color-darker);
    font-weight: 600;
}

.article-content h1 { font-size: 32px; }
.article-content h2 { font-size: 28px; }
.article-content h3 { font-size: 24px; }
.article-content h4 { font-size: 20px; }

.article-content p {
    margin-bottom: 16px;
}

/* 微信公众号富文本的 section 容器适配 */
.article-content section {
    /* 覆盖全局 section 通用样式，避免嵌套 section 被强制 grid + 横向 padding */
    display: block;
    width: auto;
    max-width: 100%;
    padding: 0;
    scroll-margin-top: 0;
    justify-items: initial;
    grid-template-columns: none;
    grid-template-rows: none;
    box-sizing: border-box;
}

/* UEditor 和微信公众号会在 img 上注入固定尺寸，用 !important 强制覆盖 */
.article-content img {
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
    border-radius: 8px;
    margin: 24px auto;
    display: block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 清除可能的浮动和对齐 */
.article-content p img,
.article-content section img {
    float: none !important;
    vertical-align: middle;
    transform: none !important;
}

/* 富文本中的表格：允许横向滚动而不撑开页面 */
.article-content table {
    max-width: 100% !important;
    width: auto !important;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-collapse: collapse;
}

/* JS 动态包裹表格用的滚动容器 */
.table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 16px 0;
}
.table-scroll-wrapper table {
    display: table; /* 还原 table 本身的 display */
}

/* 富文本中的视频/iframe 等媒体元素自适应 */
.article-content iframe,
.article-content video,
.article-content embed {
    max-width: 100% !important;
    height: auto;
}

.article-content ul,
.article-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: rgba(0, 212, 255, 0.04);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    color: var(--text-color-dark);
}

.article-content code {
    padding: 2px 6px;
    background: #f5f5f5;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.article-content pre {
    margin: 24px 0;
    padding: 16px;
    background: #2d2d2d;
    color: #f8f8f2;
    border-radius: 8px;
    overflow-x: auto;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.news-navigation {
    margin-top: 40px;
    text-align: center;
}

.back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-card);
    color: var(--primary-color);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-to-list:hover {
    background: rgba(0, 212, 255, 0.1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.25);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 新闻模块响应式 */
@media (max-width: 768px) {
    .news-page {
        padding: 130px 0 40px;
    }
    
    .news-header h1 {
        font-size: 32px;
    }
    
    .news-header p {
        font-size: 16px;
    }
    
    .news-item {
        padding: 24px;
    }
    
    .news-item-title a {
        font-size: 20px;
    }
    
    .news-excerpt {
        font-size: 15px;
    }
    
    .news-meta {
        gap: 12px;
        font-size: 13px;
    }
    
    .news-article {
        padding: 32px 24px;
    }

    /* 封面负边距跟随 padding 调整 */
    .article-cover {
        margin: -32px -24px 28px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-meta {
        gap: 16px;
        font-size: 13px;
    }
    
    .article-content {
        font-size: 15px;
    }
    
    .article-content h1 { font-size: 26px; }
    .article-content h2 { font-size: 24px; }
    .article-content h3 { font-size: 20px; }
    .article-content h4 { font-size: 18px; }
    
    .page-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .page-num {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .news-header {
        margin-bottom: 40px;
    }
    
    .news-header h1 {
        font-size: 28px;
    }
    
    .news-item {
        padding: 20px;
        gap: 16px;
    }
    
    .news-item-title a {
        font-size: 18px;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .news-article {
        padding: 24px 16px;
    }

    /* 封面负边距跟随 padding 调整（最小屏） */
    .article-cover {
        margin: -24px -16px 24px;
    }

    /* 移动端最小字号保护 */
    .article-content h1 { font-size: 22px; }
    .article-content h2 { font-size: 20px; }
    .article-content h3 { font-size: 18px; }
    .article-content h4 { font-size: 16px; }
    
    .article-title {
        font-size: 24px;
    }
    
    .pagination-wrapper {
        gap: 8px;
    }
    
    .page-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .page-num {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
  }

/* ===========================
   产品分类筛选标签
   =========================== */
.product-filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 36px;
    flex-wrap: wrap;
    justify-content: center;
}

.product-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: 2px solid var(--glass-border);
    border-radius: 24px;
    background: var(--bg-card);
    color: var(--text-color-gray);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    white-space: nowrap;
    outline: none;
}

.product-filter-btn i {
    font-size: 13px;
}

.product-filter-btn:hover {
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.06);
}

.product-filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

/* ===========================
   产品分组容器
   =========================== */
.product-group {
    width: 100%;
    margin-bottom: 40px;
    transition: opacity 0.25s;
}

.product-group:last-child {
    margin-bottom: 0;
}

.product-group.hidden {
    display: none;
}

/* 分组头部 */
.product-group-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.06) 0%, rgba(0, 128, 255, 0.04) 100%);
    border-left: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--primary-color);
}

.product-group-header::after {
    content: "";
    position: absolute;
    right: -16px;
    top: -16px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.06);
    pointer-events: none;
}

.product-group-header.terminal-header {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(14, 165, 233, 0.04) 100%);
    border-left-color: #10b981;
}

.product-group-header.terminal-header::after {
    background: rgba(16, 185, 129, 0.06);
}

.product-group-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.25);
}

.product-group-icon.terminal-icon {
    background: linear-gradient(135deg, #10b981, #0ea5e9);
}

.product-group-icon i {
    font-size: 20px;
    color: white;
}

.product-group-info {
    flex: 1;
    min-width: 0;
}

.product-group-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color-darker);
    margin-bottom: 3px;
}

.product-group-info p {
    font-size: 13px;
    color: var(--text-color-dark-gray);
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-group-badge {
    flex-shrink: 0;
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, #10b981, #0ea5e9);
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 12px;
}

/* ===========================
   智能终端产品卡片
   =========================== */
.terminal-product-cards {
    grid-template-columns: repeat(2, minmax(0, 400px));
    justify-content: center;
}

.product-card.terminal-card {
    position: relative;
    border-color: rgba(16, 185, 129, 0.15);
    background: linear-gradient(160deg, var(--bg-card) 60%, rgba(16, 185, 129, 0.05) 100%);
    overflow: hidden;
}

.product-card.terminal-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10b981, #0ea5e9);
}

.product-card.terminal-card:hover {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.25), 0 0 60px rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-6px);
}

.product-new-badge {
    position: absolute;
    top: -1px;
    right: 20px;
    background: linear-gradient(135deg, #10b981, #0ea5e9);
    color: white;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 3px 10px;
    border-radius: 0 0 8px 8px;
}

.product-icon.terminal-product-icon {
    background: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
}

.product-tags .tag.terminal-tag {
    background: #f0fdf9;
    color: #0f9f70;
}

.product-link.terminal-product-link {
    color: #10b981;
}

.product-link.terminal-product-link:hover {
    color: #0ea5e9;
}

.overseas-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid #f59e0b;
    margin-bottom: 10px;
}

.overseas-badge i {
    font-size: 12px;
    color: #d97706;
}

/* ===========================
   产品分类 响应式 — ≤992px
   =========================== */
@media (max-width: 992px) {
    .terminal-product-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================
   产品分类 响应式 — ≤768px
   =========================== */
@media (max-width: 768px) {
    .product-filter-tabs {
        gap: 6px;
        margin-bottom: 24px;
    }

    .product-filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .product-group-info p {
        white-space: normal;
    }

    .product-group-badge {
        display: none;
    }

    .terminal-product-cards {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   产品分类 响应式 — ≤576px
   =========================== */
@media (max-width: 576px) {
    .product-filter-btn {
        padding: 7px 14px;
        font-size: 12px;
        gap: 4px;
    }

    .product-group-header {
        padding: 12px 14px;
        gap: 12px;
    }

    .product-group-icon {
        width: 38px;
        height: 38px;
        border-radius: 8px;
    }

    .product-group-icon i {
        font-size: 17px;
    }

    .product-group-info h3 {
        font-size: 14px;
    }

    .product-group-info p {
        font-size: 12px;
    }
}

/* ===========================
   量子视觉效果系统
   =========================== */

/* 量子网格背景 */
.quantum-grid {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
}

.quantum-grid::after {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 212, 255, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168, 85, 247, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

/* 粒子画布 */
#quantum-particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* 标题扫光动画 */
.quantum-shimmer {
    background: linear-gradient(
        90deg,
        var(--text-color-lightest) 0%,
        var(--primary-color) 40%,
        var(--accent-purple) 60%,
        var(--text-color-lightest) 100%
    );
    background-size: 300% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: quantum-shimmer 6s linear infinite;
}

@keyframes quantum-shimmer {
    0% { background-position: 300% center; }
    100% { background-position: -300% center; }
}

/* 脉冲辉光 */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(0, 212, 255, 0.15); }
    50% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1); }
}

/* 量子浮动 */
@keyframes quantum-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* 扫描线 */
.scan-line::after {
    content: "";
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: scan-down 4s linear infinite;
    opacity: 0.3;
}

@keyframes scan-down {
    0% { top: -2px; }
    100% { top: calc(100% + 2px); }
}

/* 数据流动态数字 */
.data-piece .num {
    font-family: 'Orbitron', 'JetBrains Mono', monospace;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.15);
}

.data-piece i.fas {
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

/* 探索更多按钮 - 量子风格 */
.explore-btn {
    background: var(--gradient-primary) !important;
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.explore-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.explore-btn:hover::after {
    transform: translateX(100%);
}

/* 轮播文字增强 */
.slide-caption h1 {
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    font-family: 'Orbitron', 'PingFang SC', 'Microsoft Yahei', sans-serif;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .quantum-grid {
        background-size: 50px 50px;
    }

    .quantum-grid::after {
        background:
            radial-gradient(ellipse 100% 50% at 50% 0%, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
    }

    .quantum-shimmer {
        animation-duration: 8s;
    }

    .slide-caption h1 {
        font-family: 'PingFang SC', 'Microsoft Yahei', sans-serif;
    }

    .title1 {
        font-family: 'PingFang SC', 'Microsoft Yahei', sans-serif;
    }
}

/* 尊重用户减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .quantum-shimmer {
        animation: none;
        -webkit-text-fill-color: var(--text-color-lightest);
    }

    .scan-line::after {
        animation: none;
    }

    .explore-btn::after {
        display: none;
    }

    .product-card::after {
        display: none;
    }
}